Cita APA (7a ed.)
Mårtensson, D. (2007). Handbok i biogas. SLU/Dept. of People and Society.
Cita Chicago Style (17a ed.)
Mårtensson, David. Handbok I Biogas. SLU/Dept. of People and Society, 2007.
Cita MLA (9a ed.)
Mårtensson, David. Handbok I Biogas. SLU/Dept. of People and Society, 2007.
Precaución: Estas citas no son 100% exactas.